1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2 /* vim:set expandtab ts=4 shiftwidth=4: */ 3 /* 4 * Copyright (C) 2008 Sun Microsystems, Inc. All rights reserved. 5 * Use is subject to license terms. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General 18 * Public License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 59 Temple Place, Suite 330, 20 * Boston, MA 02111-1307, USA. 21 * 22 * Authors: Lin Ma <lin.ma@sun.com> 23 */ 24 25 #include <fcntl.h> 26 #include <sys/types.h> 27 #include <sys/stat.h> 28 #include "fen-node.h" 29 #include "fen-kernel.h" 30 31 #ifndef _FEN_DATA_H_ 32 #define _FEN_DATA_H_ 33 34 #define FN_EVENT_CREATED 0 35 #define FN_NAME(fp) (((fdata*)(fp))->fobj.fo_name) 36 #define FN_NODE(fp) (((fdata*)(fp))->node) 37 #define FN_IS_DIR(fp) (((fdata*)(fp))->is_dir) 38 #define FN_IS_PASSIVE(fp) (((fdata*)(fp))->subs == NULL) 39 #define FN_IS_MONDIR(fp) (((fdata*)(fp))->mon_dir_num > 0) 40 #define FN_IS_LIVING(fp) (!((fdata*)(fp))->is_cancelled) 41 42 typedef struct 43 { 44 file_obj_t fobj; 45 off_t len; 46 gboolean is_cancelled; 47 48 node_t* node; 49 /* to identify if the path is dir */ 50 gboolean is_dir; 51 guint mon_dir_num; 52 53 /* List of subscriptions monitoring this fdata/path */ 54 GList *subs; 55 56 /* prcessed changed events num */ 57 guint changed_event_num; 58 59 /* process events source id */ 60 GQueue* eventq; 61 guint eventq_id; 62 guint change_update_id; 63 } fdata; 64 65 /* fdata functions */ 66 fdata* fdata_new (node_t* node, gboolean is_mondir); 67 void fdata_reset (fdata* data); 68 void fdata_emit_events_once (fdata *f, int event, gpointer sub); 69 void fdata_emit_events (fdata *f, int event); 70 void fdata_add_event (fdata *f, fnode_event_t *ev); 71 void fdata_adjust_deleted (fdata *f); 72 fdata* get_parent_data (fdata* data); 73 node_t* get_parent_node (fdata* data); 74 gboolean is_monitoring (fdata* data); 75 76 /* sub */ 77 void fdata_sub_add (fdata *f, gpointer sub); 78 void fdata_sub_remove (fdata *f, gpointer sub); 79 80 /* misc */ 81 node_t* add_missing_cb (node_t* parent, gpointer user_data); 82 gboolean pre_del_cb (node_t* node, gpointer user_data); 83 84 /* init */ 85 gboolean fdata_class_init (void (*user_emit_cb) (fdata*, int), 86 void (*user_emit_once_cb) (fdata*, int, gpointer), 87 int (*user_event_converter) (int event)); 88 89 #endif /* _FEN_DATA_H_ */ 90